Fourteen-year-old Amy Cahill and her younger brother Dan thought they could return to their regular lives when they found the 39 clues. But the Vespers, powerful enemies, will stop at nothing to get the clues. And with the Vespers rising, the world is in jeopardy.

Throughout the hunt for the 39 Clues, Amy and Dan Cahill have uncovered history's greatest mysteries and their family's deadliest secrets. But are they ready to face the truth about the Cahills and the key to their unmatched power? After a whirlwind race that's taken them across five continents, Amy and Dan face the most the difficult challenge yet -- a task no Cahill dared to imagine. When faced with a choice that could change the future of the world,...

"'Hatred combined with lies and secrets can break the world." Grandpa Zach used to say that before he died, but Stuey never really knew what he meant. It was kind of like how he used to talk about quantum physics, or how he used to say ghosts haunted the overgrown golf course. But then one day, when Stuey and his best friend, Elly Rose, are playing in the deadfall in the middle of the woods, something totally unbelievable happens. As Stuey and Elly...

On New Year's Eve, 15-year-old Callum Ormond is chased down the street by a staggering, sick man with a deadly warning, "They killed your father. They'll kill you. You must survive the next 365 days". Hurled into a life on the run, with a price on his head, the fugitive is isolated and alone. Hunted by the law and ruthless criminals, Cal must somehow uncover the truth about his father's mysterious death and a history-changing secret. 12 books, 12...

The Tuck family is confronted with an agonizing situation when they discover that a ten-year-old girl and a malicious stranger now share their secret about a spring whose water prevents one from ever growing any older.

One morning, Ben finds an envelope containing a very special invitation to come and see the Gee Museum -- a dusty old place under threat of closure. However, once inside he discovers all sorts of incredible things like talking owls, dancing bees, magical bottles, witches, and of course, a hippo at the end of the hall. But most importantly he discovers a connection to his father and the family he never even knew he had. And now he has something important...

A gun shot rings out as Cal hides from his stalkers - two old bounty hunters and their savage dog, Sniffer. The hostile desert seems determined to become Cal's final resting place. Had Kelvin spared his life for nothing? Back in the city, an impossible job looms. To break into Orlana's safe at Zurich Bank, Cal needs Boges to make a perfect copy of her fingerprint ... and they need her PIN. But will stealing from Orlana force her into a lethal alliance...

Cal's old life ended as soon as the deadly 365-day countdown began. He's a hunted fugitive who'll do anything to survive. But is Cal desperate enough to befriend a traitor with killer connections? Or risk returning to the scene of his attempted murder? Should he meet with a mysterious informant, when it could be a setup? The clock is ticking. Any second could be his last.

Seven siblings are forced by the destruction of their swamp home to move into their grandpa's mansion, but greedy neighbors plot to steal their secrets and place them in homes far away from each other.

"For Annie's tenth birthday, her papa gives her a pad of paper, some colored pencils, and the Klimas family secret. It's called the nuodeema burna, or eater of sins. Every time Annie misbehaves, she has to write down her transgression and stick the paper into a hidey-hole in the floor of their house. But Annie's inheritance has a dark side: with each paper fed to the burna, she feels less guilty about the mean things she says and does. As a plague...